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The value of the critial angle is least ...

The value of the critial angle is least for which of the following colours of light?

A

Violet

B

Green

C

Blue

D

Yellow

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A glass slab of thickness 12 mm is placed on a table .The lower surfa...

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  2. Total inrternal reflection tkes place

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  3. The value of the critial angle is least for which of the following col...

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  4. Answer the following questions: A diver under water, looks obliquely ...

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  5. A pile 4 m high stands in the lake,such that it protrudes y 1m above t...

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  6. A transparent cube of side 210 mm contains a small air bubble. Its app...

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  7. If the critical angle for total internl reflection from a medium to v...

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  8. Light enters at an angle of incidence in a transparent rod of material...

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  9. Explain the formation of mirage.

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  10. Twinkling of stars is due to atmospheric:

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  11. Twinkling of stars is due to atmospheric:

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  12. A plano-convex lens is made of refractive index 1.6.If the radius of c...

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  13. A convex lens becomes less converging when placed in

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  14. An air bubble inside the water behaves as:

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  15. A lens behaves as a converging lens in air and diverging lens in wate...

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  16. A point source of light B,placed in front of the centre of a mirror of...

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  17. Two lenses have powers + 1 D and - 2 D respectively ,The power of comb...

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  18. Two lenses having powers + 6 D and - 4D are placed in contact.The powe...

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  19. An optical (eye specialist)prescibes spetacles is a pateint with a com...

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  20. The focal length of a convex lens is 30 cm and the size of image is qu...

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